From 275245dfefd73f5e4e81e46637ade03315408fb6 Mon Sep 17 00:00:00 2001
From: Boris Kolpackov <boris@codesynthesis.com>
Date: Sun, 9 Sep 2012 11:01:22 +0200
Subject: Use new multi-index support from libcutl

---
 odb/pragma.hxx | 37 +++++++++++++++++++++++++------------
 1 file changed, 25 insertions(+), 12 deletions(-)

(limited to 'odb/pragma.hxx')

diff --git a/odb/pragma.hxx b/odb/pragma.hxx
index f656079..efb80d8 100644
--- a/odb/pragma.hxx
+++ b/odb/pragma.hxx
@@ -13,6 +13,7 @@
 #include <string>
 
 #include <cutl/container/any.hxx>
+#include <cutl/container/multi-index.hxx>
 #include <cutl/compiler/context.hxx>
 
 struct virt_declaration
@@ -30,25 +31,37 @@ struct virt_declaration
 // different tree codes unequal. If that is too loose, then the
 // inserting code must do additional checks.
 //
-struct virt_declaration_comparator
+struct virt_declaration_set
 {
-  bool
-  operator () (virt_declaration const& x, virt_declaration const& y) const
+  typedef cutl::container::key<std::string, int> key;
+  typedef std::map<key, virt_declaration> map;
+  typedef cutl::container::map_const_iterator<map> const_iterator;
+
+  std::pair<const_iterator, bool>
+  insert (const virt_declaration& v)
   {
-    return x.name < y.name || (x.name == y.name && x.tree_code < y.tree_code);
-  }
-};
+    std::pair<map::iterator, bool> r (
+      map_.insert (map::value_type (key (v.name, v.tree_code), v)));
 
-struct virt_declaration_set:
-  std::set<virt_declaration, virt_declaration_comparator>
-{
-  typedef std::set<virt_declaration, virt_declaration_comparator> base;
+    const_iterator i (r.first);
 
-  iterator
+    if (r.second)
+      r.first->first.assign (i->name, i->tree_code);
+
+    return std::make_pair (i, r.second);
+  }
+
+  const_iterator
   find (std::string const& name, int tree_code) const
   {
-    return base::find (virt_declaration (0, name, tree_code, 0));
+    return map_.find (key (name, tree_code));
   }
+
+  const_iterator begin () const {return map_.begin ();}
+  const_iterator end () const {return map_.end ();}
+
+private:
+  map map_;
 };
 
 // Map of scopes (e.g., class, namespace) to sets of virtual declarations.
-- 
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